Here are the top 20 broadcast TV shows for the week of Dec. 16-22 (Monday to Sunday), based on the number of viewers, according to data released Tuesday by the Nielsen Co.
NCIS (CBS)
NFL: Chicago at Philadelphia (NBC)
NCIS: Los Angeles (CBS)
The Voice, Tue. (NBC)
NFL Pregame (NBC)
Person of Interest (CBS)
The Voice, Mon. (NBC)